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linux/drivers/vfio
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Weili Qian ac092258d0 hisi_acc_vfio_pci: fix VF reset timeout issue 
[ Upstream commit a22099ed79 ]

If device error occurs during live migration, qemu will
reset the VF. At this time, VF reset and device reset are performed
simultaneously. The VF reset will timeout. Therefore, the QM_RESETTING
flag is used to ensure that VF reset and device reset are performed
serially.

Fixes: b0eed08590 ("hisi_acc_vfio_pci: Add support for VFIO live migration")
Signed-off-by: Weili Qian <qianweili@huawei.com>
Link: https://lore.kernel.org/r/20260122020205.2884497-2-liulongfang@huawei.com
Signed-off-by: Alex Williamson <alex@shazbot.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2026-02-26 14:59:27 -08:00
..
cdx vfio/cdx: update driver to build without CONFIG_GENERIC_MSI_IRQ 2025-08-27 12:14:13 -06:00
fsl-mc vfio/fsl-mc: Mark for removal 2025-08-27 09:23:00 -06:00
mdev drivers: core: remove device_link argument from class_compat_[create|remove]_link 2025-01-10 15:42:20 +01:00
pci hisi_acc_vfio_pci: fix VF reset timeout issue 2026-02-26 14:59:27 -08:00
platform vfio/platform: Mark reset drivers for removal 2025-09-19 14:36:38 -06:00
container.c VFIO updates for v6.3-rc1 2023-02-25 11:52:57 -08:00
debugfs.c vfio: Dump migration features under debugfs 2025-10-06 11:22:48 -06:00
device_cdev.c vfio: Fix ksize arg while copying user struct in vfio_df_ioctl_bind_iommufd() 2026-01-02 12:57:28 +01:00
group.c vfio: Fix unbalanced vfio_df_close call in no-iommu mode 2025-07-11 14:43:37 -06:00
iommufd.c vfio: Fix unbalanced vfio_df_close call in no-iommu mode 2025-07-11 14:43:37 -06:00
Kconfig vfio/migration: Add debugfs to live migration driver 2023-12-04 14:29:08 -07:00
Makefile vfio/migration: Add debugfs to live migration driver 2023-12-04 14:29:08 -07:00
vfio.h vfio: replace CONFIG_HAVE_KVM with IS_ENABLED(CONFIG_KVM) 2024-02-08 08:45:35 -05:00
vfio_iommu_spapr_tce.c vfio/spapr: Always clear TCEs before unsetting the window 2024-06-28 17:03:39 +10:00
vfio_iommu_type1.c vfio/type1: handle DMA map/unmap up to the addressable limit 2025-10-28 15:54:41 -06:00
vfio_main.c vfio: return -ENOTTY for unsupported device feature 2025-09-19 14:45:43 -06:00
virqfd.c assorted variants of irqfd setup: convert to CLASS(fd) 2024-11-03 01:28:07 -05:00